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<title>@media</title>
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		<h1 class="tit">@media</h1>
		<ul class="info">
			<li><strong>版本：CSS2/3</strong></li>
			<li>2018.5.10</li>
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	<section id="syntax" class="g-mod g-attr">
		<h2 class="tit">语法：</h2>
		<div class="cont">
			<p><strong>@media</strong>：<a href="#dfn-syntax">&lt;media_query_list&gt;</a></p>
			<p id="dfn-syntax"><strong>&lt;media_query_list&gt;</strong>：[<a href="#dfn-syntax2">&lt;media_query&gt;</a>[, <a href="#dfn-syntax2">&lt;media_query&gt;</a>]*]?</p>
			<p id="dfn-syntax2"><strong>&lt;media_query&gt;</strong>：[only | not]? <a href="../appendix/media-types.htm">&lt;media_type&gt;</a> [and <a href="#dfn-syntax3">&lt;expression&gt;</a>]* | <a href="#dfn-syntax3">&lt;expression&gt;</a> [and <a href="#dfn-syntax3">&lt;expression&gt;</a>]*</p>
			<p id="dfn-syntax3"><strong>&lt;expression&gt;</strong>：(<a href="../properties/media-queries/index.htm#media-features-listing">&lt;media_feature&gt;</a>[:&lt;value&gt;]?)</p>
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		<h2 class="tit">取值：</h2>
		<div class="cont">
			<dl>
				<dt><a href="../appendix/media-types.htm">&lt;media_type&gt;</a>：</dt>
				<dd>指定设备类型。媒体类型包括：参阅<a href="../appendix/media-types.htm">媒体类型</a>。(CSS2)</dd>
				<dt>&lt;expression&gt;：</dt>
				<dd>指定媒体查询使用的媒体特性。这类似于CSS属性，如：max-width: 960px。(CSS3)</dd>
			</dl>
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	<section id="intro" class="g-mod g-attr">
		<h2 class="tit">说明：</h2>
		<div class="cont">
			<strong>指定样式表规则用于指定的媒体类型和查询条件。</strong>
			<ul>
				<li><em class="glight">IE8及以下只能实现 CSS2 中的部分，即只可以设置媒体类型。</em></li>
				<li>
					<p>媒体查询可以被用在 CSS 中的 @media 和 @import 规则上，也可以被用在 HTML 和 XML 中。</p>
					<div class="gquote">
						<p class="gquote-tit"><strong>示例代码：</strong></p>
						<blockquote class="gquote-cont"><code><xmp>@media screen and (width: 800px){ … }
@import url(example.css) screen and (width: 800px);
<link media="screen and (width: 800px)" rel="stylesheet" href="example.css" />
<?xml-stylesheet media="screen and (width: 800px)" rel="stylesheet" href="example.css" ?></xmp></code></blockquote>
					</div>
					<div class="gquote">
						<p class="gquote-tit"><strong>列举几种使用方式：</strong></p>
						<blockquote class="gquote-cont"><code><xmp>@media all and (width: 1024px) {
	body { color: #f00; }
}
@media all and (device-height: 800px){ … }
@media all and (orientation: landscape){ … }
@media all and (device-aspect-ratio: 16/10){ … }
@media all and (min-color: 1){ … }
@media all and (monochrome: 0){ … }
@media all and (grid: 0){ … }</xmp></code></blockquote>
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				</li>
			</ul>
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	</section>
	<section id="compatible" class="g-mod g-attr">
		<h2 class="tit">兼容性(指定媒体类型)：</h2>
		<div class="cont">
			<ul class="support-type">
				<li><span class="support">浅绿</span> = 支持</li>
				<li><span class="unsupport">红色</span> = 不支持</li>
				<li><span class="partsupport">粉色</span> = 部分支持</li>
			</ul>
			<table class="g-data">
				<thead>
					<tr>
						<th>IE</th>
						<th>Firefox</th>
						<th>Chrome</th>
						<th>Safari</th>
						<th>Opera</th>
						<th>iOS Safari</th>
						<th>Android Browser</th>
						<th>Android Chrome</th>
					</tr>
				</thead>
				<tbody>
					<tr>
						<td class="unsupport">8.0</td>
						<td class="support" rowspan="2">40.0+</td>
						<td class="support" rowspan="2">40.0+</td>
						<td class="support" rowspan="2">8.0+</td>
						<td class="support" rowspan="2">40.0+</td>
						<td class="support" rowspan="2">8.0+</td>
						<td class="support" rowspan="2">4.4+</td>
						<td class="support" rowspan="2">28.0+</td>
					</tr>
					<tr>
						<td class="support">9.0+</td>
					</tr>
				</tbody>
			</table>
		</div>
	</section>
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		<h2 class="tit">示例：</h2>
		<div class="cont">
			<textarea cols="90" rows="10">
<!DOCTYPE html>
<html lang="zh-cmn-Hans">
<head>
<meta charset="utf-8" />
<title>@media_CSS参考手册_web前端开发参考手册系列</title>
<meta name="author" content="Joy Du(飘零雾雨), dooyoe@gmail.com, www.doyoe.com" />
<style>
.test,
.test2 {
	display: none;
}
/* 本条为CSS2部分，IE8及以下只支持本条 */
@media screen {
	body{ color: #f00; }
}
/* 下列为CSS3部分 */
@media screen and (min-width: 960px) {
	body{ background: #999; }
}
@media screen and (device-width: 1024px) {
	.test { display: block; }
}
@media screen and (width: 1024px) {
	.test2 { display: block; }
}
</style>
</head>
<body>
<div>Media Queries媒体查询</div>
<div class="test">如果你的显示器水平分辨率为1024px的话将能看到本条规则的效果（取决于输出设备屏幕分辨率的大小，不随包括浏览器在内的窗体大小而改变）</div>
<div class="test2">如果视口宽度为1024px的话将能看到本条规则的效果（随包括浏览器在内的窗体大小而改变）</div>
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